解释：走夜路的人可以保证自己不做坏事，但却没有办法让狗不对着自己乱叫。

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

Internationalization is not simple replication, but localized innovation.